INDEX OF SUBJECTS. 



1239 



Page 



Silica, absorption by soils 550 



movement in soils 540 



Silica tes, products of weathering 957 



Silk, artificial coloration 487,995 



culture 390, 1102 



Cal 487 



in Departement du Rhone 390 



Italy 390,995 



Japan 282 



Madagascar 797 



Persia 684 



the United States, U. S. D.A 180 



industry in Japan 488 



natural coloration 487,488 



U.S. D.A 71 



of spiders, notes 390 



production, statistics 798 



Silkworm diseases, remedies 996 



eggs as affected by cold 995 



larvae, sexual characters 996 



development lis affected by col- 

 ored light 848 



thoracic feet 995 



Silos, construction. Wis 106 



and use 95 



pit, construction, Colo 815 



Silt deposit, analyses, Mass 34 



Silver chlorid as a fungicide 69 



Simulium venustum, remedies, N. II 683 



Siphanta acuta, notes, U. S. D. A 143 



Siphororyne avenx, notes, U. S. D. A 71 



Siphonaptera, American, monograph 487 



Sirex juvencus, notes 1096 



Sisal, culture in Hawaii, U. S. I). A 143 



Sitka Station, report, U. S. D. A 140 



Skim milk, analyses 599,913 



for calves 498 



Kans 1111 



cows, Conn. Storrs 1011 



pigs, N. II 692 



N.Y.Cornell 295 



Oreg 85 



S. Dak 1115 



improvement for baking pur- 

 poses 1017 



pasteurization 1123 



Wis 91 



substitutes for calves, Kans 1111 



utilization 1017 



Skimming experiments with a balance cen- 

 trifuge -103 



Sky light, variations in 1057 



Slag, utilization 212 



(See also Phosphatic slag.) 

 Slaughterhouse tankage, analyses, Conn. 



State 658 



waste, utilization 212 



Slaughterhouses in Denmark 495 



New Zealand 1021 



inspection in Cape Colony. 300 

 Holland .... 300 



Slugs, notes 791 



remedies 177 



Smelter fumes, effect on plants, U. S. D. A. 953 



smoke, effect on agriculture, Utah. 447 



Smilaeina stellata, notes, Utah 508 



3305— No. 12—05 8 



Page. 



Smoke as a preventive of frost 343 



from smelters, effect on agriculture, 



Utah 447 



Smut, seed treatment, 851 



spores, quantitative estimation 570 



(See also Barley, Corn, Oat, Rye, 

 and Wheat smut.) 



Snails, notes 791 



Snout beetles, notes 990 



Snow, formation, U. S. D. A 237 



Snowballs, forcing with ether 268 



Snowstorms, dissipation by cannonading. . 751 



Soap, olive, analyses, Cal 949 



Soaps, commercial, composition, N. Y. 



State 796 



disinfecting power 98 



Society for Horticultural Science 729 



the Promotion of Agricultural 



Science 422,621 



Soda, utilization by root crops 556 



Sodium— 



benzoate, antiseptic value 915 



bicarbonate, effect on metabolism 294 



chlorid. (See Salt.) 



determination in urine 1050 



effect on excretion of ammonia 289 



growth of bone 1005 



fertilizing value, R. 1 32 



fluorid as a butter preservative 1017 



effect on plant growth 20 



hydroxid, preparation for laboratory 



use 639 



nitrate, effect on constitution of soils.. . 343 



phosphates 222 



nitro-prussid, effect on plants 952 



peroxid, use in analytical work 536 



organic analysis 639 



phosphate, effect on composition of 



milk 1010 



salts, effect on sugar cane 662 



substitution for potash 36 



sulphite, determination, N. Dak 897 



effect on tadpoles 901 



excretion by dogs 90 1 



physiological action 901 



urate, behavior in soils 240 



Soil, absorption of sodium urate by 240 



absorptive capacity of different layers . 652 



acidity, determination 14 



studies 252, 325 



analysis — 



as a guide to use of fertilizers 756 



by means of the plant 552, 858 



sedimentation apparatus for 228 



bacteria, conditions favoring develop- 

 ment 858 



importance in agriculture. . . 553 



bacteriology, investigations 240,241,553 



methods 232,241 



recent progress 29, 546 



charts, geological-agronomic 241 



constituents, solubility in water 344 



effect on protein content of crops, 



Wis 28,764 



transmitting power of seeds. 22 



elutriator, new centrifugal, Utah 448 



